{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["RNA", "cell line", "protein", "cell type", "DNA"], "input": "Transfection of an Fc gamma RII -negative B-cell line with complementary DNA's encoding the two splice products and various receptor mutants indicated that the insertion was responsible for preventing both Fc gamma RII -mediated endocytosis and Fc gamma RII -mediated antigen presentation ."}
{"RNA": [], "cell line": ["Fc gamma RII -negative B-cell line"], "protein": ["Fc gamma RII"], "cell type": [], "DNA": []}